Grandstream DP715 User Manual - Manual (Page 50)

Firmware version 1.0.0.33 DP715/DP710 User Manual Page 48 of 56
Note: In some cases where the user wishes to dial strings such as *123 to activate voice
mail or other applications provided by their service provider, the * should be predefined
inside the dial plan feature. An example dial plan will be: { *x+ } which allows the user to
dial * followed by any length of numbers.
SUBSCRIBE for MWI Default is No. When set to “Yes” a SUBSCRIBE for Message Waiting Indication will be
sent periodically.
Send Anonymous If this parameter is set to “Yes”, the “From” header in outgoing INVITE message will be set
to anonymous, essentially blocking the Caller ID from displaying.
Disable Call-Waiting Default is No. If set to YESCall Waiting indication information will not be provided to
Handset.
Disable Call-Waiting
Caller ID Default is No. If set to YES Call Waiting caller ID will not be provided to the handset.
Disable Call-Waiting
Tone Default is No. If set to YES Call-Waiting Tone will be disabled.
Disable Reminder Ring
for On-Hold Call Default is No. Play the reminder ring when this is set to Enable.
Anonymous Call
Rejection Default is No. If set to “Yes”, anonymous call will be rejected.
Session Expiration The SIP Session Timer extension enables SIP sessions to be periodically “refreshed” via
a SIP request (UPDATE, or re-INVITE. Once the session interval expires, if there is no
refresh via a UPDATE or re-INVITE message, the session is terminated.
Session Expiration is the time (in seconds) at which the session is considered timed out,
provided no successful session refresh transaction occurs beforehand. The default value
is 180 seconds.
Min-SE Defines the minimum session expiration (in seconds). Default is 90 seconds.
Caller Request Timer If set to “Yes”, the phone will use session timer when it makes outbound calls if remote
party supports session timer.
Callee Request Timer If selecting “Yes”, the phone will use session timer when it receives inbound calls with
session timer request.
Force Timer If set to “Yes”, the phone will use session timer even if the remote party does not support
this feature. If set to “No”, the session timer is enabled only when the remote party
supports this feature. To turn off Session Timer, select “No” for Caller Request Timer,
Callee Request Timer, and Force Timer.
UAC Specify Refresher As a Caller, select UAC to use the phone as the refresher, or UAS to use the Callee or
proxy server as the refresher.
UAS Specify Refresher As a Callee, select UAC to use caller or proxy server as the refresher, or UAS to use the
phone as the refresher.
Force INVITE Session Timer can be refreshed using INVITE method or UPDATE method. Select “Yes”
to use INVITE method to refresh the session timer.
Enable 100rel PRACK (Provisional Acknowledgment) method enables reliability to SIP provisional
responses (1xx series).
Codec Configuration
Preferred Vocoder The DP715 supports up to 6 different Vocoder types including G.711 A-/U-law, G.726-32 ,
G.723.1, G.729A/B and iLBC. The user can configure Vocoders in a preference list that
will be included with the same preference order in SDP message. The first Vocoder is
entered by choosing the appropriate option in “Choice 1”. The last Vocoder is entered by
choosing the appropriate option in “Choice 6”.